I like Jerry Seinfeld’s take on plagiarism in comedy. His point is that whoever writes the funniest joke about a given premise gets the credit. This applies forward as well. As you may come up with a new angle and punchline for a well established premise.

I wrote a fun (to me) take on the good ‘ole horse walks into a bar joke. Here it goes:

Horse walks into a bar.

Bartender says: “Why the long face?”

Horse replies: “I can’t find a stable job.”

…

I like this model for giving credit. Sadly, no attribution avlbl for this one:

a thesaurus walks into a bar. a thesaurus strolls into a bar. a thesaurus saunters into a bar...